From 60ce406e8b18627c6aab42c434830cc3dfbd67f3 Mon Sep 17 00:00:00 2001 From: Daniel Silverstone Date: Sat, 3 Nov 2012 16:46:39 +0000 Subject: More work towards libdom conversion --- src/svgtiny.c | 179 ++++++++++++++++++++++++++++++++++++---------------------- 1 file changed, 110 insertions(+), 69 deletions(-) (limited to 'src/svgtiny.c') diff --git a/src/svgtiny.c b/src/svgtiny.c index 79a87d7..635974f 100644 --- a/src/svgtiny.c +++ b/src/svgtiny.c @@ -53,6 +53,8 @@ static void svgtiny_parse_transform_attributes(dom_element *node, struct svgtiny_parse_state *state); static svgtiny_code svgtiny_add_path(float *p, unsigned int n, struct svgtiny_parse_state *state); +static void _svgtiny_parse_color(const char *s, svgtiny_colour *c, + struct svgtiny_parse_state *state); /** @@ -165,15 +167,15 @@ svgtiny_code svgtiny_parse(struct svgtiny_diagram *diagram, state.viewport_width = viewport_width; state.viewport_height = viewport_height; -#define SVGTINY_STRING_ACTION(s) \ - if (dom_string_create_interned((const uint8_t *) #s, \ - strlen(#s), &state.interned_##s) \ +#define SVGTINY_STRING_ACTION2(s,n) \ + if (dom_string_create_interned((const uint8_t *) #n, \ + strlen(#n), &state.interned_##s) \ != DOM_NO_ERR) { \ code = svgtiny_LIBDOM_ERROR; \ goto cleanup; \ } #include "svgtiny_strings.h" -#undef SVGTINY_STRING_ACTION +#undef SVGTINY_STRING_ACTION2 svgtiny_parse_position_attributes(svg, state, &x, &y, &width, &height); diagram->width = width; @@ -202,11 +204,11 @@ svgtiny_code svgtiny_parse(struct svgtiny_diagram *diagram, dom_node_unref(document); cleanup: -#define SVGTINY_STRING_ACTION(s) \ +#define SVGTINY_STRING_ACTION2(s,n) \ if (state.interned_##s != NULL) \ dom_string_unref(state.interned_##s); //#include "svgtiny_strings.h" -#undef SVGTINY_STRING_ACTION +#undef SVGTINY_STRING_ACTION2 return code; } @@ -1027,28 +1029,38 @@ void svgtiny_parse_position_attributes(const dom_element *node, const struct svgtiny_parse_state state, float *x, float *y, float *width, float *height) { - xmlAttr *attr; + dom_string *attr; + dom_exception exc; *x = 0; *y = 0; *width = state.viewport_width; *height = state.viewport_height; - for (attr = node->properties; attr; attr = attr->next) { - const char *name = (const char *) attr->name; - const char *content = (const char *) attr->children->content; - if (strcmp(name, "x") == 0) - *x = svgtiny_parse_length(content, - state.viewport_width, state); - else if (strcmp(name, "y") == 0) - *y = svgtiny_parse_length(content, - state.viewport_height, state); - else if (strcmp(name, "width") == 0) - *width = svgtiny_parse_length(content, - state.viewport_width, state); - else if (strcmp(name, "height") == 0) - *height = svgtiny_parse_length(content, - state.viewport_height, state); + exc = dom_element_get_attribute(node, state.interned_x, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + *x = svgtiny_parse_length(attr, state.viewport_width, state); + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(node, state.interned_y, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + *y = svgtiny_parse_length(attr, state.viewport_height, state); + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(node, state.interned_width, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + *width = svgtiny_parse_length(attr, state.viewport_width, + state); + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(node, state.interned_height, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + *height = svgtiny_parse_length(attr, state.viewport_height, + state); + dom_string_unref(attr); } } @@ -1095,7 +1107,7 @@ static float _svgtiny_parse_length(const char *s, int viewport_size, float svgtiny_parse_length(dom_string *s, int viewport_size, const struct svgtiny_parse_state state) { - const char *ss = strndup(dom_string_data(s), dom_string_length(s)); + char *ss = strndup(dom_string_data(s), dom_string_length(s)); float ret = _svgtiny_parse_length(ss, viewport_size, state); free(ss); return ret; @@ -1108,49 +1120,61 @@ float svgtiny_parse_length(dom_string *s, int viewport_size, void svgtiny_parse_paint_attributes(const dom_element *node, struct svgtiny_parse_state *state) { - const xmlAttr *attr; + dom_string *attr; + dom_exception exc; + + exc = dom_element_get_attribute(node, state->interned_fill, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + svgtiny_parse_color(attr, &state->fill, state); + dom_string_unref(attr); + } - for (attr = node->properties; attr; attr = attr->next) { - const char *name = (const char *) attr->name; - const char *content = (const char *) attr->children->content; - if (strcmp(name, "fill") == 0) - svgtiny_parse_color(content, &state->fill, state); - else if (strcmp(name, "stroke") == 0) - svgtiny_parse_color(content, &state->stroke, state); - else if (strcmp(name, "stroke-width") == 0) - state->stroke_width = svgtiny_parse_length(content, - state->viewport_width, *state); - else if (strcmp(name, "style") == 0) { - const char *style = (const char *) - attr->children->content; - const char *s; - char *value; - if ((s = strstr(style, "fill:"))) { - s += 5; - while (*s == ' ') - s++; - value = strndup(s, strcspn(s, "; ")); - svgtiny_parse_color(value, &state->fill, state); - free(value); - } - if ((s = strstr(style, "stroke:"))) { - s += 7; - while (*s == ' ') - s++; - value = strndup(s, strcspn(s, "; ")); - svgtiny_parse_color(value, &state->stroke, state); - free(value); - } - if ((s = strstr(style, "stroke-width:"))) { - s += 13; - while (*s == ' ') - s++; - value = strndup(s, strcspn(s, "; ")); - state->stroke_width = svgtiny_parse_length(value, + exc = dom_element_get_attribute(node, state->interned_stroke, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + svgtiny_parse_color(attr, &state->stroke, state); + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(node, state->interned_stroke_width, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + state->stroke_width = svgtiny_parse_length(attr, state->viewport_width, *state); - free(value); - } + dom_string_unref(attr); + } + + exc = dom_element_get_attribute(node, state->interned_style, &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + char *style = strndup(dom_string_data(attr), + dom_string_length(attr)); + const char *s; + char *value; + if ((s = strstr(style, "fill:"))) { + s += 5; + while (*s == ' ') + s++; + value = strndup(s, strcspn(s, "; ")); + _svgtiny_parse_color(value, &state->fill, state); + free(value); } + if ((s = strstr(style, "stroke:"))) { + s += 7; + while (*s == ' ') + s++; + value = strndup(s, strcspn(s, "; ")); + _svgtiny_parse_color(value, &state->stroke, state); + free(value); + } + if ((s = strstr(style, "stroke-width:"))) { + s += 13; + while (*s == ' ') + s++; + value = strndup(s, strcspn(s, "; ")); + state->stroke_width = _svgtiny_parse_length(value, + state->viewport_width, *state); + free(value); + } + free(style); + dom_string_unref(attr); } } @@ -1159,7 +1183,7 @@ void svgtiny_parse_paint_attributes(const dom_element *node, * Parse a colour. */ -void svgtiny_parse_color(const char *s, svgtiny_colour *c, +static void _svgtiny_parse_color(const char *s, svgtiny_colour *c, struct svgtiny_parse_state *state) { unsigned int r, g, b; @@ -1218,6 +1242,13 @@ void svgtiny_parse_color(const char *s, svgtiny_colour *c, } } +void svgtiny_parse_color(dom_string *s, svgtiny_colour *c, + struct svgtiny_parse_state *state) +{ + char *ss = strndup(dom_string_data(s), dom_string_length(s)); + _svgtiny_parse_color(ss, c, state); + free(ss); +} /** * Parse font attributes, if present. @@ -1226,6 +1257,10 @@ void svgtiny_parse_color(const char *s, svgtiny_colour *c, void svgtiny_parse_font_attributes(const dom_element *node, struct svgtiny_parse_state *state) { + /* TODO: Implement this, it never used to be */ + UNUSED(node); + UNUSED(state); +#ifdef WRITTEN_THIS_PROPERLY const xmlAttr *attr; UNUSED(state); @@ -1241,6 +1276,7 @@ void svgtiny_parse_font_attributes(const dom_element *node, }*/ } } +#endif } @@ -1254,14 +1290,19 @@ void svgtiny_parse_transform_attributes(dom_element *node, struct svgtiny_parse_state *state) { char *transform; - - /* parse transform */ - transform = (char *) xmlGetProp(node, (const xmlChar *) "transform"); - if (transform) { + dom_string *attr; + dom_exception exc; + + exc = dom_element_get_attribute(node, state->interned_transform, + &attr); + if (exc == DOM_NO_ERR && attr != NULL) { + transform = strndup(dom_string_data(attr), + dom_string_length(attr)); svgtiny_parse_transform(transform, &state->ctm.a, &state->ctm.b, &state->ctm.c, &state->ctm.d, &state->ctm.e, &state->ctm.f); - xmlFree(transform); + free(transform); + dom_string_unref(attr); } } -- cgit v1.2.3